KR102265862B1 - Monitoring system for solar power generation - Google Patents

Abstract

The present invention relates to a photovoltaic monitoring system which uses meteorological information provided by a meteorological agency and environmental information around a photovoltaic module to effectively predict the generation amount of the photovoltaic module. According to the present invention, a photovoltaic monitoring system for analyzing weather information and environment information to predict a generation amount comprises: a photovoltaic module generating power from sunlight; an environmental sensor sensing environmental information around the photovoltaic module; an environmental information collection unit collecting the environmental information sensed by the environmental sensor; a generation amount information collection unit collecting generation amount information of the photovoltaic module; a meteorological information collection unit collecting past and future meteorological information provided by a meteorological agency; a prediction model generation unit generating a prediction model which analyzes the past meteorological information collected by the meteorological information collection unit, the environmental information collected by the environmental information collection unit matching the same, and the generation amount information collected by the generation amount information collection unit to predict a generation amount; and a predicted generation amount calculation unit applying the future meteorological information collected by the meteorological information collection unit to the prediction model to calculate a predicted generation amount of the photovoltaic module.

Description

A solar power generation monitoring system that predicts power generation by analyzing weather information and environmental information {Monitoring system for solar power generation}

The present invention relates to a photovoltaic power generation monitoring system that effectively predicts the amount of power generation of a photovoltaic module using weather information provided by the Korea Meteorological Administration and environmental information around the photovoltaic module.

Solar power, a new renewable energy, is expected to play a very important role in achieving the goal of reducing greenhouse gas emissions along with climate change in the 4th industrial revolution. Accordingly, the lifespan and efficiency of photovoltaic panels have been improved according to the steady support policies for photovoltaic power generation business and the development of technology, and the facilities related to photovoltaic power generation are also being upgraded. is becoming

In the case of such photovoltaic power generation, it is very important to predict the amount of power generation because it is dependent on external influences. Excessive power generation has a physical and electrical risk due to power generation exceeding the design capacity. Problems such as the occurrence of reverse currents may occur, and poor power generation may cause a problem of revenue decline.

In general, solar power generation prediction is calculated using weather information and date (season) provided by the Korea Meteorological Administration, but the accuracy is not high.

Patents 10-1761686 "Real-time prediction system for solar power generation using machine learning" and registered patents 10-1856320 "Apparatus and method for predicting solar power generation" in the prior art use weather information and other information in various ways It is predicting the amount of photovoltaic power generation, but the accuracy is not very high.

The present invention is an invention devised to solve the problems of the prior art. In addition to the weather information provided by the Korea Meteorological Administration, various environmental information such as the amount of insolation, temperature, and humidity around the solar power generation module are analyzed to measure the amount of solar and power generation. It aims to provide a photovoltaic power generation monitor system that predicts the amount of electricity generated by analyzing weather information and environmental information that accurately predicts.

In addition, it provides a photovoltaic power generation monitor system that predicts the amount of power generation by analyzing weather information and environmental information that is easy to install and maintain by simply and quickly combining and separating the photovoltaic module from the frame through the detachable means. The purpose.

The solar power generation monitoring system for predicting power generation by analyzing weather information and environmental information according to the present invention

Solar power generation module that generates electricity by sunlight;

an environmental sensor for sensing environmental information around the solar power module;

an environmental information collection unit for collecting environmental information sensed by the environmental sensor;

a generation amount information collecting unit for collecting generation amount information of the photovoltaic module;

a meteorological information collection unit for collecting past and future weather information provided by the Korea Meteorological Administration;

A prediction model for predicting the amount of electricity generated by analyzing the past weather information collected by the weather information collection unit, the environmental information collected by the environmental information collection unit at a time matching it, and the generation amount information collected by the generation amount information collection unit a predictive model generator to generate;

and an expected generation amount calculation unit for calculating the expected generation amount of the photovoltaic module by applying the future weather information collected by the weather information collection unit to the prediction model.

and a monitor that displays and shows the information collected by the meteorological information collection unit, the environmental information collection unit, and the generation amount information collection unit, and the expected generation amount calculated by the expected generation amount calculation unit;

frame installed on the ground;

Detachable means for detachably coupling the photovoltaic module to the frame; further comprising,

The detachment means

a body, an elastic piece provided in the body, and a hook protrusion provided at an end of the elastic piece, wherein the elastic piece penetrates through a coupling hole of a coupling plate provided in the photovoltaic module, and the body includes the a male fastener for pressing the outer surface of the coupling plate;

a body provided in the frame; an insertion hole formed in the body and into which the elastic piece is inserted; a hook groove formed in an inner wall of the insertion hole and hooked by the hook protrusion inserted therein; a bottom of the hook groove and an inner wall of the insertion hole It characterized in that it includes a female fastener including a departure guide surface for guiding that the hook projection is separated from the hook groove as the body rotates by obliquely connecting the

The female fastener further includes a diaphragm provided inside the insertion hole, and a diaphragm groove formed in the diaphragm plate,

The male fastener includes a rotation pin rotatably provided on the body and inserted into the inner shaft of the diaphragm, a blocking projection provided at an end of the rotation pin, a moisture-permeable waterproof fabric bag provided inside the blocking projection, and the Consists of further comprising an inflatable embedded in the moisture-permeable waterproof fabric bag,

When moisture in the air is put into the inside of the moisture-permeable waterproof fabric bag, the inflatable absorbs moisture and expands, and the moisture-permeable waterproof fabric bag expands together with the inflatable body pushes the rotating pin outward, and the blocking protrusion blocks the By being inserted into the groove and blocked, it is characterized in that the rotation range of the body is limited.

The solar power generation monitoring system for predicting the amount of power generation by analyzing weather information and environmental information according to the present invention more accurately predicts the amount of solar power generation using the weather information and various environmental information around the photovoltaic module, and based on this, It is a very useful invention for industrial development as a system for easy maintenance and efficient operation and management of photovoltaic facilities, and simple and quick coupling and detachment of photovoltaic modules to and from the frame through the start-up end.

1 is a configuration diagram of a photovoltaic power generation monitoring system for predicting power generation by analyzing weather information and environmental information according to the present invention.
Figure 2 is a perspective view showing an example of a photovoltaic module coupled to the frame through a detachable means.
3 is a view showing the structure of the male fastener and the female fastener of the detachable means.
Figure 4 is a front view showing the fastening structure of the front to prevent the male fastener and the male fastener from being unintentionally separated.
FIG. 5 is a front view showing a planar fastening structure that prevents a female fastener and a male fastener from being unintentionally separated; FIG.

Hereinafter, a photovoltaic power generation monitoring system for predicting power generation by analyzing weather information and environmental information according to the present invention with reference to the drawings will be described in detail.

Prior to explaining in more detail the solar power generation monitoring system for predicting power generation by analyzing weather information and environmental information according to the present invention,

The present invention is intended to be described in detail in the text of the embodiment (態樣, aspect) (or embodiments) can be applied to various changes and can have various forms. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

In each drawing, the same reference numerals, particularly the tens digit and the one digit, or the tens digit, the one digit, and the same alphabetic reference numerals indicate members having the same or similar functions, and unless otherwise specified, each of the figures in the drawings. The member indicated by the reference sign may be understood as a member conforming to these standards.

In addition, in each drawing, components are expressed in exaggeratedly large (or thick) or small (or thin) in size or thickness in consideration of convenience of understanding, or simplified, but the protection scope of the present invention is limited by this. it shouldn't be

The terminology used herein is only used to describe a specific embodiment (aspect, aspect, aspect) (or embodiment), and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as comprises or consists of are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

As shown in Figure 1, the photovoltaic power generation monitoring system for predicting power generation by analyzing weather information and environmental information according to the present invention includes a photovoltaic power generation module (1), an environmental sensor (2), a weather information collecting unit (6), It comprises an environmental information collection unit 5, a generation amount information collection unit 4, a prediction model generation unit 7, an expected generation amount calculation unit 8, a monitor 9, and the like.

The photovoltaic power module 1 receives sunlight, which is natural energy, to generate self-generation.

A heating wire that melts snow or ice is installed on the surface of the photovoltaic module (1), and when foreign substances such as dust are attached to the surface of the photovoltaic module (1), it is removed and washed. It may be desirable to provide a washing unit.

The environmental sensor 2 senses environmental information around the photovoltaic module 1 .

The environmental sensor 2 includes an optical sensor for sensing solar insolation, a thermometer for sensing ambient temperature, a hygrometer for sensing humidity, a thermometer for sensing the temperature of the surface of the photovoltaic module 1, and a photovoltaic module (1) may include a camera for photographing the surface and an image analyzer for analyzing the contamination level of the surface of the solar power module from the image of the camera.

The environmental information of the environmental sensor 2 may further include wind direction, wind speed, precipitation, sunlight time, fine dust concentration, cloud information, and the like.

The environmental information collection unit 5 collects and stores various environmental information sensed by the environmental sensor 2 .

The environmental information collection unit 5 collects environmental information from time to time (eg, every 1 minute, every 5 minutes).

The power generation information collecting unit 4 collects and stores power generation information on the power generation amount generated by the photovoltaic module 1 .

The generation amount information collecting unit 4 collects the generation amount information at any time (eg, in units of 1 minute, in units of 5 minutes).

The meteorological information collecting unit 6 collects and stores weather information provided by the Korea Meteorological Administration. The weather information provided by the Korea Meteorological Administration includes past weather information that has already occurred and future weather information that will occur in the future.

The meteorological information collection unit 6 accesses the site 3 operated by the Korea Meteorological Administration and collects weather information from time to time (eg, in units of 1 minute or units of 5 minutes).

The weather information provided to the Korea Meteorological Administration includes date, temperature, humidity, wind volume, fog, daylight hours, total clouds, solar radiation, and precipitation.

The predictive model generation unit 7 analyzes the past weather information collected in the weather information collection, the environmental information collected by the environmental information collection unit 5, and the generation amount information collected by the generation amount information collection unit 4 to create a predictive model.

The predictive model generation unit 7 uses a machine learning method, a deep learning method, an iterative learning method, a statistical method, etc. to create a predictive model by establishing the effect of weather information and environmental information on the amount of solar power generation, that is, their relationship. create

The predictive model reflects the weights according to the influence of weather information and environmental information, as well as correction variables to reduce errors.

The predicted generation amount calculating unit 8 applies the weather information of a specific time collected by the weather information collection unit to a prediction model to calculate the solar power generation amount predicted at that time.

The monitor 9 includes past and future weather information collected in the meteorological information collection, various environmental information collected by the environmental information collection unit 5, power generation information collected by the generation amount information collection unit 4, By displaying and providing the expected generation amount calculated by the expected generation amount calculation unit 8 to the concerned person, it is possible to monitor, operate and manage the solar power generation facility 9 .

Referring to FIG. 2 , the photovoltaic module 1 is detachably coupled to a frame 20 installed on the ground through a detachable means.

Since the frame 20 is adjustable in angle, it may be preferable to continuously face the sun in the front of the photovoltaic module 1 .

A coupling plate 11 is provided in the photovoltaic module 1 , and a coupling hole 12 is formed in the coupling plate 11 .

The detachment means includes a female fastener (80) provided in the frame (20), and a male fastener (80) passing through the coupling hole (12) and fastened to the female fastener (80) to tighten and couple the mounting plate (11). Consists of a fastener (90).

Hereinafter, with reference to Figures 3 to 5 will be described in more detail with respect to the shaft reduction means.

The male fastener 90 includes a body 91 , a plurality of elastic pieces 93 provided at the lower portion of the body 91 and having elasticity to enable bending, and the outer side at the lower end of the elastic piece 93 . A hook protrusion 94 protruding to the , and a plurality of rotation pins 95 provided on the inside of the elastic piece 93 and provided under the body 91 so as to be rotatably inside and out, and the rotation pin A blocking projection 96 provided protruding outward from the lower end of the 95, a moisture-permeable waterproof fabric bag 97 provided on the inside of the blocking projection 96, and the moisture-permeable waterproof fabric bag 97. It includes an inflatable body 98 and a through hole 92 penetrating the central portion of the body 91 up and down.

The moisture-permeable waterproof fabric bag 97 has a moisture-permeable waterproof property that water passes from the outside to the inside, and water does not pass from the inside to the outside. This moisture-permeable and waterproof property is a property of fabrics mainly used in sportswear such as swimwear or running clothes, and prevents wind or water from penetrating into the sportswear and allows sweat generated by the wearer to be discharged to the outside.

The inflatable 98 is a material that expands by absorbing water or moisture in the air, and a desiccant that absorbs surrounding moisture (water), and a sponge that expands when in contact with water, dietary fiber, gel, etc. are composed of an expanding agent. can be

The moisture-permeable waterproof fabric bag 97 can function as long as water can pass in and out, but the water inside can be easily discharged to the outside so that it can maintain the expanded state by the inflatable 98 even when an external force is applied. It is preferable to have a moisture-permeable and waterproof property that does not penetrate.

An opening and closing rubber 99 having an incision line 99a formed on the upper portion of the moisture-permeable waterproof fabric bag 97 is provided. When a pin or a rod is pushed through the through hole 92 of the body 91 into the incision line 99a of the opening/closing rubber 99, the incision by the incision line 99a is opened and the moisture-permeable waterproof fabric bag 97 ) inside the water is discharged, and the pin or rod presses the inflatable 98 so that the water absorbed by the inflatable 98 is separated from the inflatable 98 .

The female fastener 80 includes a body 81 provided in the frame 20, an insertion hole 83 formed in the body 81 in the vertical direction to insert the elastic piece 93, and the A hook groove 84 formed on the inner wall of the insertion hole 83 and into which the hook projection 94 is inserted, and a departure guide surface that obliquely connects the bottom of the hook groove 84 and the inner wall of the insertion hole 83 ( 87), a locking jaw 88 protruding from the inner wall of the insertion hole 83 of the portion extending from the departure guide surface 87, and the rotation pin 95 provided inside the insertion hole 83 It includes a blocking plate 85 inserted into the interior, and a blocking groove 86 formed in the blocking plate 85 to insert the blocking projection 96 to be blocked.

When the body 91 of the male fastener 90 is held by hand and the elastic piece 93 is pushed into the insertion hole 83 of the female fastener 80, the hook projection 94 is inserted into the insertion hole ( 83) is pressed against the inner wall of the elastic piece 93, and the hook protrusion 94 descends on the inner wall and reaches the hook groove 84. The resilient piece 93 is restored and the hook protrusion. As the 94 is inserted into the hook groove 84 and caught, the male fastener 90 is coupled to the female fastener 80 .

When the body 91 of the male fastener 90 fastened to the female fastener 80 is held and rotated, the hook protrusion 94 moves along the hook groove 84 and rides on the departure guide surface 87. After leaving the hook groove 84 , the hook projection 94 is caught by the locking jaw 88 and cannot move any more. When the body 91 is pulled in this state, the male fastener 90 is separated from the female fastener 80 .

When an impact caused by wind or vibration is applied to the fastening means, the male fastener 90 is rotated and can be unintentionally separated from the female fastener 80, and the moisture-permeable waterproof fabric bag 97, hinge pin, and diaphragm plate (85) et al. prevent this unintentional separation.

Surrounding moisture or moisture is sucked into the inside of the moisture-permeable waterproof fabric bag 97 by the absorbent of the inflatable body 98, and the inflating agent of the inflatable 98 absorbs the suctioned and collected water and expands to make the moisture-permeable waterproof fabric The bag 97 is inflated.

The expansive moisture-permeable waterproof fabric bag 97 pushes the rotation pin 95 to rotate outward, and thus the blocking projection 96 is inserted into the blocking groove 86 .

When the body 91 rotates while the blocking projection 96 is inserted into the blocking groove 86, the blocking projection 96 is blocked at the end of the blocking groove 86 so that the body 91 does not rotate any more. make sure not to

When the blocking protrusion 96 is blocked by the blocking groove 86 and the body 91 is no longer rotated, the hook protrusion 94 of the elastic piece 93 cannot leave the hook groove, so that the male fastening The sphere 90 cannot be separated from the female fastening sphere 80.

When the male fastener 90 is separated from the female fastener 80, a pin or rod is inserted through the through hole 92 of the body 91 through the opening and closing rubber 99 provided in the moisture-permeable waterproof fabric bag 97. When the water in the moisture-permeable waterproof fabric bag 97 and the inflatable 98 is forcibly discharged by pushing through the incision line 99a, the male fastener 90 can be immediately separated from the female fastener 80 .

In the above description of the present invention, with reference to the accompanying drawings, the solar power generation monitoring system for predicting the amount of power generation by analyzing weather information and environmental information having a specific shape and structure has been described, but the present invention can be modified and modified in various ways by those skilled in the art. Modifications are possible, and such modifications and variations should be construed as falling within the protection scope of the present invention.

1: Solar power module 2: Environmental sensor
3: Meteorological Agency site 4: Power generation information collection unit
5: Environmental information collection unit 6: Weather information collection unit
7: Prediction model generation unit 8: Prediction generation amount calculation unit
9: monitor
11: coupling plate 12: coupling hole
20: frame 80: female fastener
81: body 83: insertion hole
84: hook groove 85: blocking plate
86: blocking groove 87: departure guide surface
88: locking jaw 90: male fastener
91: body 92: through hole
93: elastic piece 94: hook projection
95: rotating pin 96: blocking projection
97: moisture-permeable waterproof fabric bag 98: inflatable body
99: opening and closing rubber

Claims (4)

Solar power generation module that generates electricity by sunlight;
an environmental sensor for sensing environmental information around the solar power module;
an environmental information collection unit for collecting environmental information sensed by the environmental sensor;
a generation amount information collecting unit for collecting generation amount information of the photovoltaic module;
a meteorological information collection unit for collecting past and future weather information provided by the Korea Meteorological Administration;
A prediction model for predicting power generation by analyzing the past weather information collected by the weather information collection unit, the environmental information collected by the environmental information collection unit at a time matching it, and the generation amount information collected by the generation amount information collection unit a predictive model generator to generate;
Predicting the amount of power generation by analyzing the weather information and environmental information made, including; an expected generation amount calculation unit for calculating the expected generation amount of the photovoltaic module by applying the future weather information collected by the weather information collection unit to the prediction model In the solar power generation monitoring system,

frame installed on the ground;
Detachable means for detachably coupling the photovoltaic module to the frame; further comprising,

The detachment means
a body, an elastic piece provided in the body, and a hook protrusion provided at an end of the elastic piece, wherein the elastic piece penetrates through a coupling hole of a coupling plate provided in the photovoltaic module, and the body includes the a male fastener for pressing the outer surface of the coupling plate;
A body provided in the frame, an insertion hole formed in the body and into which the elastic piece is inserted, a hook groove formed in an inner wall of the insertion hole and hooked by the hook protrusion into which the hook protrusion is inserted, a bottom of the hook groove and an inner wall of the insertion hole and a female fastener including a departure guide surface for guiding that the hook protrusion is separated from the hook groove as the body rotates by connecting the .
The female fastener further includes a diaphragm provided inside the insertion hole, and a diaphragm groove formed in the diaphragm,
The male fastener includes a rotation pin rotatably provided on the body and inserted into the inner shaft of the diaphragm, a blocking projection provided at an end of the rotation pin, a moisture-permeable waterproof fabric bag provided inside the blocking projection, and the Consists of further comprising an inflatable embedded in the moisture-permeable waterproof fabric bag,
When moisture in the air enters the inside of the moisture-permeable waterproof fabric bag, the inflatable absorbs moisture and expands, and the moisture-permeable waterproof fabric bag expands with the inflatable body pushes the rotating pin outward, and the blocking projection blocks the A solar power monitoring system for predicting power generation by analyzing weather information and environmental information, characterized in that by being inserted into the groove and blocking the rotation range of the body. The method of claim 1,
Meteorological information and environmental information, characterized in that it further comprises a; the information collected by the weather information collection unit, the environmental information collection unit, and the generation amount information collection unit, and a monitor that displays and shows the expected generation amount calculated by the expected generation amount calculation unit A solar power monitoring system that analyzes and predicts the amount of power generation. delete delete

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